Figure 4
Behavioral performances before and after the reversals at different times of onset (mean ± SEM). Reversals occurred at different times of onset after the behavioral performance reached the criterion. The criterion was that the monkey made correct responses to all of the 8 novel stimuli in a block. “0-block” means the reversal occurred immediately after the criterion was reached. “1-block”, “2-block”, “3-block”, and “4-block” mean the reversal occurred after 1, 2, 3, and 4 additional blocks under the original condition after the criterion was reached, respectively. Number of sessions that were used for the plot is as follows; monkey 1, n = 10, 10, 10, 10, and 5, monkey 2, n = 8, 12, 8, 12, and 11 for 0-block, 1-block, 2-block, 3-block, and 4-block overtraining sessions, respectively.
